ipv6 nd reachable-time
29-16 IPv6 Configuration
Parameters
Defaults
By default, a value of 0 is advertised in RA messages.
Mode
Router interface configuration:C3(su)->router(Config-if(Vlan 1))#
Usage
The NS interval is used to determine the time between retransmissions of neighbor solicitation
messages to a neighbor when resolving a unicast address (DAD) or when probing the reachability
of a neighbor. This value is also advertised in Router Advertisement (RA) messages sent on the
interface.
Use the no form of this command to set the interval to the default of 0.
Example
This example sets the NS interval to 2 seconds.
C3(su)->router(Config-if(Vlan 1))# ipv6 nd ns-interval 2000
ipv6 nd reachable-time
This command configures the length of time within which some reachability confirmation must be
received from a neighbor for the neighbor to be considered reachable.
Syntax
ipv6 nd reachable-time msec
no ipv6 nd reachable-time
Parameters
Defaults
By default, a value of 0 is advertised in RA messages.
Mode
Router interface configuration: C3(su)->router(Config-if(Vlan 1))#
Usage
This timer allows the C3 to detect unavailable neighbors. The shorter the time, the more quickly
unavailable neighbors are detected. Very short configured times are not recommended in normal
msec Sets the interval in milliseconds between retransmissions of Neighbor
Solicitation messages on the interface. The value can range from 1000
(one second) to 3,600,000 (one hour) milliseconds.
0 An advertised value of 0 means the interval is unspecified.
msec The amount of time in milliseconds that a remote IPv6 node is
considered reachable. The value can range from 0 to 4,294,967,295
milliseconds.
The default value is 0, which means that the time is unspecified.
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